naat
/nɑːt/Gem-cutting
noun
An irregularity in the structure of a diamond, caused by a change of direction in the grain as a result of twinning.
Origin
1940s; earliest use found in Industrial Diamond Review. From Afrikaans naat, specifically use of naat seam, suture from Dutch naad.
- oligotrophication
- oligotrophy
- oligotropic
- oligozoospermia
- oliguria
- oliguric
- olim
- olingo
- olinguito
- olio
- oliphant
- Richardson equation
- Richardson ground squirrel
- Richardson grouse
- Richardsonian
- Richardson number
- Richardson, Samuel
- Richardson's criterion
- Richardson's equation
- Richardson's ground squirrel
- Richardson's grouse
- Richardson, Sir Ralph
- Richardson's jaeger
- Richardson's number
- Richardson's owl